The classic hood mounted tach from the 60's. Black plastic housing with a black or white dial face and bright back lit numbers makes this a great add-on accessory. Features a red-line needle. Holes must be drilled in the hood for proper installation. It measures 5 1/4" at its widest, 3 1/4" at its tallest and 9" long when you include the hooded portion.
Red – Power
Black – Ground
Green – Coil – Negative
White – Lights
Internal switch which can be viewed through the hole the wires come out of is to set whether you have a 6 Cyl or 8 Cyl. The default setting is 8 Cyl.